Aaron Stull is a second-generation foundation repair professional who learned the craft the right way—from the ground up. As a young man, he worked alongside his father in the field, mastering every role from laborer to foreman to operational leadership before the age of 18. When his father sold the family business in 2001, Aaron chose to forge his own path.

In 2003, he founded Keystone Basement Systems, now widely regarded as western Pennsylvania’s leading foundation repair firm. With a disciplined management team and a commitment to excellence, Keystone has become the most reviewed and highest-rated company in its sector.

Aaron leads with clarity, precision, and purpose. His role centers on removing obstacles, refining systems, setting direction, and recruiting exceptional people who align with the company’s mission and values.

“I’m Aaron, President of Keystone Basement Systems. My responsibility is to ensure we stay aligned with our vision while continuing to raise the bar in our industry.”

Outside of work, Aaron is a lifelong student of strategy, history, psychology, and leadership—drawing insight from across disciplines to guide his thinking and sharpen his approach. He enjoys time with his family, hunting, and the enduring challenge of a well-played game of chess.

Hi, I’m Josh, and I’m the General Manager here at Keystone! I do whatever I can to help my teammates succeed. I’ve been with the company for 16 years and have 24 years of experience in the waterproofing industry.

Outside of work, I love attending my kids’ sporting events. Fun fact about me: I was born in New Jersey!

Hi, I’m Christina, and I’m the Operations Manager here at Keystone! I support all departments and the General Manager with operations and administrative tasks, and I also oversee the appointment center and production scheduling.

When I’m not at work, I love spending time with my three kids and going on motorcycle trips. Fun fact about me: I’m a certified nail technician!

Hi, I’m Brittany, and I’m the Customer Care Manager here at Keystone! I spend my days scheduling estimates for our sales team, handling calls, and making sure the schedule runs smoothly so our customers get the best solutions for their homes.

Outside of work, I love hanging out with my friends and spending time with my dog. Fun fact about me: I’ve been in the waterproofing industry for 6 years!

Hi, I’m Devin, and I’m the Production Manager here at Keystone! I oversee our crews and help with training to make sure everything runs smoothly on every project.

Outside of work, I enjoy fishing, hiking, exercising, and watching sports. Fun fact about me: I love animals—I have two dogs and a cat, and I also keep a variety of reptiles!

Hi, I’m Bob, and I’m the Accountant here at Keystone Basement Systems. I handle our financial records, prepare reports, and make sure everything is compliant and running smoothly behind the scenes.

Outside of work, I love spending time with friends and making great memories. And a fun fact about me: I’m big into cooking and enjoy trying out new recipes and ideas in the kitchen!

Hi, I’m Chris, and I’m a Resident Sales Pro here at Keystone! When I’m not training new team members, I help homeowners assess their basement issues and design the best plan to fix them.

Outside of work, I enjoy hot yoga, running marathons, and spending time with my family. Fun fact about me: In 2015, I walked all the way from Los Angeles to New York City!

Hi, I’m Jason, and I’m a Resident Sales Pro here at Keystone! When I’m not training new team members, I help homeowners assess their basement issues and design the best plan to fix them.

Outside of work, I enjoy cooking, volleyball, hiking, cheering on my kids’ sports, and spending time with my family. Fun fact about me: I still play canasta with my 95-year-old grandmother!

Hi, I’m Jeff, and I’m a System Design Specialist here at Keystone! I love helping homeowners understand their foundation or concrete issues so we can develop a repair plan that meets their goals.

Outside of work, I enjoy hiking with my dog and biking around the city. Fun fact about me: I hold two patents for processes that reduce greenhouse gases!

Hi, I’m Al, and I’m a System Design Specialist here at Keystone! I perform home inspections and design systems tailored to each customer’s needs. Before joining Keystone Basement System.

In my free time I like to golf, fly fish, and bike.

Fun fact about me: I share a birthday with Franco Harris.

Hi, I’m Cam, and I’m a System Design Specialist here at Keystone! I perform home inspections and design systems tailored to each customer’s needs. I am always willing to lend a hand and help where needed.

Outside of work, I spend my free time building and racing cars, watching movies and playing video games. Fun fact about me: I have 37 tattoos!

Hi, I’m Casey, and I’m a System Design Specialist here at Keystone! I perform home inspections and design systems tailored to each customer’s needs. Before joining Keystone Basement Systems I worked as an electrician and did property investment.

I like to spend my free time with my American Bully and renovate properties. Fun fact about me: I can wire your entire house.

Hi, I’m Chris, and I’m a System Design Specialist here at Keystone! I perform home inspections and design systems tailored to each customer’s needs. I am always willing to lend a hand and help where needed.

Outside of work, I enjoy watching all Pittsburgh sports – especially the Pirates. I spend a lot of time hanging out with my girlfriend and daughter, and we love going to Pirates games together. I’m also a big fantasy football fan. Fun fact: I played guitar in a band throughout all of high school.

Hi, I’m Collin, and I’m a System Design Specialist here at Keystone! I perform home inspections and design systems tailored to each customer’s needs. Before joining KBS, I spent 5 years in the construction industry. I started with roofing and worked my way down to basements.

Outside of work, I enjoy playing golf and watching football. Fun fact about me: I played Ball Hockey for Team USA and traveled to different countries for it!

Hi, I’m Emmett, and I’m a System Design Specialist here at Keystone! I perform home inspections and design systems tailored to each customer’s needs. Before joining Keystone Basement System.

In my free time I enjoy going to car show. Fun fact about me: I’m a middle child.

Hi, I’m James, and I’m a System Design Specialist here at Keystone! I perform home inspections and design systems tailored to each customer’s needs. Before joining KBS, I worked in real estate sales.

Outside of work, I enjoy hockey, golf, and coaching. Fun fact about me: My grandfathers fought each other in WWII!

Hi, I’m Jarrett, and I’m a System Design Specialist here at Keystone! I perform home inspections and design systems tailored to each customer’s needs. Before joining Keystone Basement System.

In my free time I like to golf and spend time with my family. Fun fact about me: I trained and competed in the Junior Olympics.

Hi, I’m Jason, and I’m a System Design Specialist here at Keystone! I perform home inspections and design systems tailored to each customer’s needs. Before joining Keystone Basement System.

Outside of work I like to spend my time outdoors. Fun fact about me: I have 5 grandchildren.

Hi, I’m Jim, and I’m a System Design Specialist here at Keystone! I perform home inspections and design systems tailored to each customer’s needs.

Outside of work, I enjoy traveling, live music, and spending time with family and friends. Fun fact about me: I love karaoke—and I’m pretty good at it!

Hi, I’m Mike, and I’m a System Design Specialist here at Keystone! I perform home inspections and design systems tailored to each customer’s needs.

In my free time I enjoy playing hockey, fishing, and spending time with my family. Fun fact about me: I caught and 87 pound tuna while fishing Aruba.

Hi, I’m name Nate, and I’m a System Design Specialist here at Keystone! I perform home inspections and design systems tailored to each customer’s needs. Before joining Keystone Basement System I was in Real Estate.

In my free time I enjoy hunting, fishing, and hiking. Fun fact about me: I have lived in 5 different states.

Hi, I’m Randy, and I’m a System Design Specialist here at Keystone! I perform home inspections and design systems tailored to each customer’s needs. I am always willing to lend a hand and help where needed.

Outside of work, I enjoy camping, surf fishing, hiking, and traveling. Fun fact: I kayaked on Lake Superior at Pictured Rocks National Lakeshore.

Hi, I’m Robert, and I’m a System Design Specialist here at Keystone! I perform home inspections and design systems tailored to each customer’s needs. Before joining Keystone Basement Systems I worked in masonry.

In my free time I enjoy fishing and working on DIY projects. Fun fact about me: The biggest fish I caught was a Muskie at 48 inches.

Hi, I’m Cody, and I’m the Team Lead for our Real Estate Response Team here at Keystone! I spend my days saving real estate transactions from last-minute appraisers, surprise basement leaks, and helping keep closings on track—basically making sure nothing slows down the process.

In my free time, I enjoy repairing and maintaining my home, playing with my pets, and winding down with a little nerdy video gaming before bed. Fun fact about me: I have three cats!

Hi, I’m Joe, and I’m a Real Estate Design Specialist here at Keystone! I love helping people understand their homes.

Outside of work, I’m working on a fixer-upper that’s a multi-year project. I also coach kids’ sports and enjoy motivating those around me to give their best. I have three kids and three dogs, and we love vacationing together. Fun fact: I’ve done professional ice sculpting for 10 years. I’ve also owned six homes and lived in three different states.

Hi, I’m Beckie, and I’m a Real Estate Design Specialist here at Keystone! I love helping people understand their homes.

In my free time, I love spending time with family, friend and my adorable doggies. Fun fact about me: I have over 20 nicknames.

Hi, I’m Hope, and I’m a Real Estate Design Specialist here at Keystone! I love helping people understand their homes. Before joining KBS, I spent five years working in the waterproofing and insulation trades.

Outside of work, I enjoy traveling, going to the gym, and trying new restaurants. Fun fact about me: I played women’s tackle football!

Hi, I’m Chris. As a Foreman, I spend my days on job sites guiding my team and installing Keystone Basement Systems products and systems to help homeowners improve their homes and gain peace of mind.

When I’m not woking I like to spend my free time outdoors. Fun fact about me: I raced ATV’s most of my life and won multiple championships.

Hi, I’m David! As a Foreman, I spend my days on job sites guiding my team and installing Keystone Basement Systems products and systems to help homeowners improve their homes and gain peace of mind.

Outside of work, I love playing video games. Fun fact about me: I’m a big-time fisherman!

Hi, I’m Rich! As a Foreman, I spend my days on job sites guiding my team and installing Keystone Basement Systems products and systems that improve homeowners’ lives and provide greater peace of mind.

Outside of work, I enjoy working on my fitness—I’ve been into it for over 26 years! Fun fact about me: I collect both new and classic cars!

Hi, I’m Scott! As a Foreman, I spend my days on job sites guiding my team and installing Keystone Basement Systems products and systems that improve homeowners’ lives and provide greater peace of mind.

Outside of work, I enjoy hunting, fishing, and spending time with my family. Fun fact about me: I’m a golfer!

Hi, I’m Shannon! As a Foreman, I spend my days on job sites guiding my team and installing Keystone Basement Systems products and systems to help homeowners improve their homes and gain peace of mind.

Outside of work, I enjoy fishing, camping, magnet fishing, and going out with friends. Fun fact about me: I learned how to back up a trailer before I even had my license!

Hi, I’m Tom! As a Foreman, I spend my days on job sites guiding my team and installing Keystone Basement Systems products and systems that improve homeowners’ lives and provide greater peace of mind.

Outside of work, I enjoy fishing, gaming, and firearms. Fun fact about me: I have 30 chickens for eggs!

Hi, I’m Aaron and I am a Co-Foreman here at Keystone Basement Systems. As a Co-Foreman, I work alongside my Foreman to install Keystone Basement Systems products and systems that help homeowners and provide lasting peace of mind.

When I am not working, I spend my free time with my daughter and enjoy golfing.

Hey, I’m Elijah. As a Co-Foreman, I work alongside my Foreman to install Keystone Basement Systems products and systems that help homeowners and provide lasting peace of mind

Hi, I’m Johnny. As a Co-Foreman, I work alongside my Foreman to install Keystone Basement Systems products and systems that help homeowners and provide lasting peace of mind.

In my free time I like to play basketball and game. Fun fact about me: I really like helping people and making others happy.

Hi, I’m Kein. As a Co-Foreman, I work alongside my Foreman to install Keystone Basement Systems products and systems that help homeowners and provide lasting peace of mind.

In my free time I like to ride side-by-sides. Fun fact about me: I like working on old cars and learning about them.

Hi! I’m Luc, and I’m Co-Foreman here at Keystone Basement Systems. As a Co-Foreman, I work alongside my Foreman to install Keystone Basement Systems products and systems that help homeowners and provide lasting peace of mind.

In my free time I enjoy photography, videography and my dogs. Fun fact about me: I love animals.

Hi, I’m Mar. As a Co-Foreman, I work alongside my Foreman to install Keystone Basement Systems products and systems that help homeowners and provide lasting peace of mind.

In my free time I enjoy gaming, drawing and coloring. Fun fact about me: I love art and nature.

Hi! I’m Shay, and I’m a Co-Foreman here at Keystone Basement Systems. As a Co-Foreman, I work alongside my Foreman to install Keystone Basement Systems products and systems that help homeowners and provide lasting peace of mind.

In my free time I make music, rock climb and play video and board games. Fun fact about me: I sing and play in a band.

Hi, I’m Tad! As a Co-Foreman, I work alongside my Foreman to install Keystone Basement Systems products and systems that improve homeowners’ lives and provide lasting peace of mind.

Outside of work, I enjoy hunting, fishing, playing sports, and hanging out with friends. Fun fact about me: I really want to try bungee jumping and sky gliding!

Hi, I’m Todd. As a Co-Foreman, I work alongside my Foreman to install Keystone Basement Systems products and systems that help homeowners and provide lasting peace of mind.

In my free time I enjoy hiking, camping, and backpacking. Fun fact about me: I used to do Cyber Security and participated in tournments for it.

Hi! I’m Artis, and I’m an Installer here at Keystone Basement Systems. As an Installer, I work alongside my Foreman and crew to install Keystone Basement Systems products and systems that improve homeowners’ lives and give them peace of mind.

In my free time in enjoy Botany and fish keeping. Fun fact about me: My name is Artis and I make art!

Hi! I’m Cameron, and I’m an Installer here at Keystone Basement Systems. As an Installer, I work alongside my Foreman and crew to install Keystone Basement Systems products and systems that improve homeowners’ lives and give them peace of mind.

Outside of work I like to spend time with my family.

Hi! I’m Chris, and I’m an Installer here at Keystone Basement Systems. As an Installer, I work alongside my Foreman and crew to install Keystone Basement Systems products and systems that improve homeowners’ lives and give them peace of mind.

Outside of work I enjoy camping, boating, snowboarding and dirt bikes. Fun fact about me: I can do a handstand.

Hi, I’m JJ, and I’m an Installer here at Keystone Basement Systems! As an Installer, I work alongside my Foreman and crew to install Keystone Basement Systems products and systems that improve homeowners’ lives and give them peace of mind.

In my free time I enjoy spending time with my family, going for walks and running. Fun fact about me: I coached gymnastics for over 10 years!

Hi, I’m Malik! As an Installer, I work alongside my Foreman and crew to install Keystone Basement Systems products and systems that improve homeowners’ lives and give them peace of mind.

In my free time I enjoy gaming. Fun fact about me: I love food!

Hi, I’m Noah. As an Installer, I work alongside my Foreman and crew to install Keystone Basement Systems products and systems that improve homeowners’ lives and give them peace of mind.

In my free time I enjoying siting, working out and spending time with my friends. Fun fact about me: I once caught a pass from Big Ben.

Hi, I’m Vinny and I am the Warehouse Coordinator here at KBS. I am responsible for managing shipping and receiving, maintaining accurate inventory, and keeping the warehouse organized and clean. I also assists crews by gathering and loading materials for daily jobs, ensuring everything is ready to keep projects running smoothly and efficiently.

In my free time I like gaming. Fun fact about me: I went on a jungle exploration in the DR.

Hi, I’m Mario, and I’m a Service Technician here at Keystone! My day-to-day includes servicing customers’ products and performing routine inspections.

During the spring and summer, I enjoy coaching travel basketball. Fun fact about me: I love drag racing—and I used to race motorcycles!