With over three decades of experience performing Division 7 Scopes of work Alpha has served as the benchmark for excellence peerless quality and unmatched service.

Our commitment to team-building and quality craftmanship allows us to serve our client's needs spanning the fields of firestop waterproofing spray fire-proofing and commercial insulation. With 15 offices Alpha covers the Southeast South Central and Midwest regions of the U.S. to include Arkansas Colorado Florida Georgia Kentucky North Carolina Ohio Oklahoma South Carolina Tennessee Texas and Wisconsin.

Experience the distinct difference of working with an organization backed by a NYSE listed company and success stories spanning 30+ years.

Apex Firestop specializes in the selection and installation of UL-approved
Firestop systems. We service Residential Commercial and Industrial construction
and have extensive experience with
the following industries:

Chamberlin is an established contractor that provides roofing and sheet metal waterproofing and caulking building and garage restoration as well as related maintenance services. We are a company whose history is as long as our capabilities are comprehensive.

Chamberlin offers the stability of a large contractor yet we provide highly personalized service a combination our clients appreciate and have come to expect. Our broad range of contracting capabilities is one that few companies can match as is our genuine company-wide pledge to safety quality and timely cost-effective delivery.

From our offices in Dallas Austin San Antonio Oklahoma City Tulsa and Houston to our field operations team Chamberlin's people deliver real expertise combined with a steadfast commitment to do what is truly right on each job we undertake throughout Texas Oklahoma Louisiana Arkansas and beyond. Our expertise and integrity are the foundation for the long-term trusting relationships we share with our clients.

Over the past 20 years CMI has completed firestop projects covering MEP penetrations, slab edge and wall joint sealants nationwide. We specialize in various types of Firestop systems to achieve the required F-rating in fire rated wall. CMI delivers top-quality performance while staying on schedule, and installs UL compliant systems that pass inspection the first time around.

Commercial Fireproofing & Insulation is a Sister Company of Alliance Specialties True Fireproofing Acme Fireproofing & Insulation Brooke Drywall of Columbia Inc. providing fireproofing insulation and firestopping services throughout the Mid-West. We are equipped to handle any passive life safety requirements.

We are a general contractor that self performs all of our own firestopping and waterproofing services for our projects.

Firestopping Specialist is a full line Firestopping company in West Texas. In business since 1999 the company has grown every year and currently employs up to ten qualified installers. Projects have included: multi-story office buildings hospitals schools and two major renovations to Jones Stadium at Texas Tech University. Firestopping should be installed by trained technicians and that is what you get when you contract with Firestopping Specialist.

GDA Contractors- Dallas, formally known as he George D. Alan Co. , is a waterproofing sealant and firestopping company. 

GMI is a family-ownded client relationship driven turnkey drywall framing and accoustical commercial construction company that has been operating throughout the State of Texas since 1978. With offics in the Dallas/Ft. Worth Metroplex Austin and Houston GMI's market sectors include multi-family hospitality medical religious entertainment retail and industrial.

L S. Decker Inc. is a full service commercial construction waterproofing company established in 1981. The home office is located in Houston TX. Regional offices in Austin TX covering San Antonio and Dallas TX covering Ft. Worth and Atlanta GA.

Lone Star Firestop LLC is a full service Firestop Contractor. We are working with building owners construction managers and contractors to provide life safety through the installation of tested firestop systems. Our firestop services include construction joints perimeter fire barriers/curtain walls as well as through-pentration systems.

Marek is a full service interior construction company self performing all trades with trained employees.

Throughout our 80 years MAREK has never lost sight of the values our founders laid forth. We remain as committed as ever to developing a safe and educated workforce providing quality in every detail of our work and putting our customers at the forefront of what we do. Our success is measured not by gross margins but by our ability to exceed client expectations with projects built safely efficiently and to the highest degree of excellence.

With fire ratings it's not just a question of liability but also the safety of the people who will occupy the building. With so much at stake MAREK understands the critical nature of these assemblies and has the experienced project managers supervisors and workers to make sure the job is done right.

With an unwavering commitment not only to do things right but to do the right things we pledge to always put the needs of our customers and of our industry first. It's what we like to call \""The MAREK Difference.\""

Through Penetration Firestopping
Fire Resistive Joints
Perimeter Fire Containment Systems

See the Branches / Regional Territories for a Branch location nearest to you.

Performance Contracting Inc. (PCI) is the core subsidiary of Performance Contracting Group (PCG). PCG is one of the top specialty contractors in the United States. Based in Lenexa Kansas PCG is ranked 8th among the top U.S. specialty contractors. PCI's Interior Division was named the Number One Wall and Ceiling Specialty Contractor in the ENR Magazine's most recent ranking of the top 600 U.S. specialty contractors. The Insulation & Specialty Services Division (home of the Firestop & Expansion Joint Group) provides Mechanical Insulation Firestopping Expansion Joint Abatement and other services.

See the Branches / Regional Territories for a Branch location nearest to you.

Performance Contracting Inc. (PCI) is the core subsidiary of Performance Contracting Group (PCG). PCG is one of the top specialty contractors in the United States. Based in Lenexa Kansas PCG is ranked 8th among the top U.S. specialty contractors. PCI's Interior Division was named the Number One Wall and Ceiling Specialty Contractor in the ENR Magazine\\\\\\'s most recent ranking of the top 600 U.S. specialty contractors. The Insulation & Specialty Services Division (home of the Firestop & Expansion Joint Group) provides Mechanical Insulation Firestopping Expansion Joint Abatement and other services.

See the Branches / Regional Territories for a Branch location nearest to you.

Performance Contracting Inc. (PCI) is the core subsidiary of Performance Contracting Group (PCG). PCG is one of the top specialty contractors in the United States. Based in Lenexa Kansas PCG is ranked 8th among the top U.S. specialty contractors. PCI\\\\\\'s Interior Division was named the Number One Wall and Ceiling Specialty Contractor in the ENR Magazine\\\\\\'s most recent ranking of the top 600 U.S. specialty contractors. The Insulation & Specialty Services Division (home of the Firestop & Expansion Joint Group) provides Mechanical Insulation Firestopping Expansion Joint Abatement and other services.

Phoenix Insulation specializes in commercial HVAC and Plumbing Insulation HVAC and Plumbing penetration firestopping for Hospitals Schools Medical Office Buildings Private High Rise Buildings etc. This includes new projects from the ground up and renovation of existing buildings.

Sunbelt provides quality Masonry Restoration Façade Restoration Structural Repairs Waterproof Coatings and Sealants Sealant Replacement Roof Repair and Maintenance and Firestopping among other construction-related services.