1604 Specialties provides a full range of interior insulation, fireproofing, waterproofing, joint sealants, Mechanical expansion joints systems and firestop systems tailored to fit your needs.  We work with commercial and general contractors to offer complete safety and protection.

Geotechnical engineering firm providing construction observation and materials testing services.

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:

Bartkowski Life Safety Corp. provides a variety of life safety services to contractors architects facility directors and building owners. We have a proven history of meeting and exceeding our customer's expectations.
We offer a number of services to our clients including:

Braun Intertec is proud to be an employee-owned fire sciences, geotechnical engineering, environmental consulting, and testing firm which has grown to over 1,000 employee-owners. Our vision is to be both the consultant of choice and employer of choice.

Locations:

• Bloomington, MN
• Dallas/Fort Worth, TX
• Des Moines, IA
• Denver, CO
• Kansas City, MO
• Tulsa, OK
• Atlanta, GA
• Chicago, IL
• Bismarck, ND
• Jacksonville, FL
• (and many more!)

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.

Chaparral Insulation Co. is a Texas based insulation and firestop contractor providing  firestopping services and fireproofing insulation in Texas, Georgia, North Carolina, Tennessee and Alabama.

Cowtown Materials is a stocking distributor of firestop and mineral wool products with fourteen convenient Texas locations in Abilene, Fort Worth, Dallas, Midland, Frisco, Amarillo, Lubbock, Carrollton, Texarkana, Tyler, Shreveport, Waco and Wichita Falls.  Teaming up with the top brands in the industry, we live by one simple pledge:  getting the right products into our customers' hands as quickly and safely as possible.  Cowtown Materials is an authorized distributor of STI, 3M,  Rectorseal, Owens Corning and Rockwool firestopping products.

Protecting LIVES & PROPERTY from fire and its byproducts by offering our customers a complete package (labor materials consultation and support). Give clients the assurance that the job will be done correct and to code the first time. Be PROBLEM SOLVERS!

Firestop Guys is a father son team, with over 35 years of combined experience in the firestop industry.  Our goal is to provide complete firestop solutions.  Our firestop services includes Penetrations, Joints, Curtain Wall, Pass Through Devices and Endothermic Wrap. All systems installed are tested firestop systems.

Firestopping techniques and materials prevent the spread of fire smoke and toxic gases. It is a system that \""compartmentalizes\"" those dangers. Areas between walls floors expansion joints and also where wire cabling piping and other \""through penetrations\"" exist are sealed with the appropriate sytems. Firestop Southwest is a certified firestop specialist.

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- Albuquerque, formally know as Seal-Co, was established in 1967. We have been servicing New Mexico and Southern Colorado as a Sealant Firestopping and Waterproofing Contractor. 

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.

We provide fireproofing and firestopping inspection services.

As an experienced certified installer J-KAULK is able to deliver cost-effective prices to contractors that satisfy all their Firestopping needs. From the first day J-KAULK opened its doors its mission has been to service an industry with honest pricing fair bidding and low cost installations. Add to that a wide ranging flexibility and problem solving capability and the result is a company whose clients know they are dealing with a firm whose integrity is its word and whose promise is its handshake.

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.

Old Dominion Firestopping LLC was formed in 2001 and is run by the management of Old Dominion Insulation Inc. Our goal is to provide a qualified crew of certified installers to do firestopping work properly to install an approved firestopping system at a fair price.

Based in Richmond Virginia Old Dominion Firestopping performs work primarily in Virginia Maryland N. Carolina and the DC area; yet have performed work as far away as Massachusetts. Please visit our website at www.odins.com

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 Firestop provides code compliant installations of penetration and joint firestop systems. With product training from 3M Hilti and STI we are able to provide the best firestop solution for every application. We have detailed knowledge of the IBC special inspection requirements and will make the process as seamless as possible. Phoenix Firestop is based out of Portland ME and is currently serving markets in Maine New Hampshire and Vermont.

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.

The Rudd-Palmer Co. has been part of the construction industry since 1967. We specialize in the Tested and Approved Firestop Systems for commercial and industrual construction.

Southwest Specialty Contractors LLC specializes in Mechanical and Building Insulation Systems Firestop Systems Including Head of Wall Edge of Slab and MEP Penetrations along with a Specialty Division which offers a full line of Ceiling Wall and Flooring Systems as well as Division 10 Specialties. We operate in Nevada California Arizona Colorodo and Texas.