Our Promise

Our promise is simple. Exceeding expectations. Every client. Every time.

This promise is made collectively as a company; from top to bottom and side to side. These are not empty words, but a promise to deliver and live up to with each and every touch - with each and every client. A huge responsibility, which we relentlessly strive to embrace and execute. The only ones who can fail on delivering this promise is us.

When we are in a client’s home, they don't care about our last job, or our next job... Their problem is the center of their universe right at that moment. It must be the center of ours as well. They have entrusted us to make it better. They MUST know they have a concerned and capable expert there to make it better. They MUST know they made a smart choice by choosing Capital Plumbing. Period.

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About Capital Plumbing

Founded in 2003, Capital Plumbing & Mechanical has had tremendous success in the Columbus, Ohio, region. We started as a small husband and wife operation, working out of our living room. We now have over 50 employees and 30 service trucks. Every day, we want to make sure that we’re doing better for our clients. Our clients are what continue to drive us forward, and you’ll see that in our service.

Join the Capital Plumbing & Mechanical Team
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Our Core Team

Jenny Slones, President

Jenny Slones


Jenny’s background in business management gives her a sophisticated grasp on business development. Jenny is customer centric and has implemented programs within the organization to bring added value to all of our clients. Jenny is an excellent communicator as these values have been passed down to everyone within the Capital team through her strong philosophy of customer service.

Jenny has obtained her bachelor’s degree from Otterbein University, and was alongside her husband Jim when they opened Capital Plumbing back in 2003. Since she has received her Master’s HVAC license in the State of Ohio.

Jenny resides in Canal Winchester alongside her husband Jim and there 3 children. Jenny most enjoys spending time with her children and is very involved with their day to day activities.

Jim Slones, CEO

Jim Slones


Jim Slones is a master plumber and began his career in 1996 after serving in the United States Navy for 6 years. Jim always loved interaction with people and decided to use his plumbing skills along with his people skills to develop a service company.

Jim graduated from Briggs High School in Columbus in 1989, he immediately enlisted into the United States Navy where he served on active duty for 6 years. Upon being discharged he began his 5-year apprenticeship program in the plumbing trade. During this tenure he earned multiple licenses including his masters plumbing, sewer tapper, medical gas certification, backflow certification and refrigeration license.

Jim’s true passion is leading others; he has a strong philosophy on cultivating individuals to bring the best out of them. Jim resides in Canal Winchester with his wife Jenny and their 3 children.

Matt Zimmerman Operations Manager

Matt Zimmerman

Vice President

Matt Zimmerman has nearly 2 decades’ experience in the plumbing and mechanical field. Matt joined Capital in 2012 and quickly climbed up the ranks to become Vice President. With his field knowledge he has transitioned into his current role exceptionally well. He is highly respected in the plumbing world for his high mechanical aptitude and has developed into a leader his team looks up to. Matt shares the core values of the company in servicing our clients with excellence.

Matt Graduated in California from Laguna High School in 1998. Immediately he attended a 4-year apprenticeship for plumbing and heating through the PHCC, those skills he learned early on have been instrumental not only in his development but also those he currently develops.

Matt currently resides in Upper Sandusky alongside his wife Janelle and their 2 children. Matt is a family man who enjoys spending time with his wife and children.

Justin Compton, Services Supervisor

Justin Compton

Operations Manager

Justin Compton’s keen eye for detail combined with his philosophy on customer service made him a great fit for Operations Manager at Capital Plumbing. His background since he has been in the trade has always been service. With this experience he has implemented procedures to give our clients the best value possible. His leadership in this division is obvious by the way his team has performed during his current tenure.

Justin graduated from Knox County High School and immediately began attending multiple trade schools which has made him into a well rounded supervisor. Justin has held high level positions in other fields as a safety supervisor. This prior training has been instrumental in Capital’s safety program.

Justin currently resides in Pickerington alongside his wife Mandi of 5 years and their 2 children. Justin loves the outdoors and spend much of his free time hunting and fishing.

Ralph Fumo, Commercial Sales Manager

Ralph Fumo

Commercial Sales Manager

Ralph has been in the plumbing industry working with commercial clients since 2005. Previously his career background has been in the Industrial Manufacturing industry. For over 25 years Ralph worked with plant managers, engineers, and facility supervisors. He holds a Bachelors degree in Business Administration and Economics from Bowling Green University. Ralph married his wife Marsha in 1978 and they have 2 daughters and 1 son. He also is the proud grandparent of 2 grandchildren. Ralph has been with Capital Plumbing since 2014 and has been a GREAT ASSET to the team!

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Columbus, Ohio, Information

Columbus, Ohio, has been ranked by multiple outlets as one of the best cities in America to live and own a business. When you look around the city, there is no question as to why that is. There are constant renovations and upgrades being done to Columbus including the revitalization of the Short North, the Arena District, and the Brewery District.

These are only a handful of reasons why we’re proud to call Columbus our home.

Financing is Available

Proud members of:

Capital Plimbing is a proud member of Better Business Bureau, Angie's List, The Builder's Exchange of Central Ohio, and the Building Industry Association


The Great Seal of the State of Ohio

Plumbing Contractor #36391

Backflow Contractor #4493

Heating & Cooling Contractor #47209

Sewer Contractor #ST0749