Call Us Toll-Free Today: 1.800.231.0734 / Local 713-675-6324 | E-mail:
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Manufacturer and Wholesale Distributor of Valves, Couplings, Fittings and PVC hoses for Fuel Tanker, Farm Ranch, Dairy, Agriculture, Construction, Mining, Sandblasting, Marine, Oilfield and Bulk Hauling applications.


Seal Fast Incorporated has been a leader in the hose, coupling, valves and fittings industry as a manufacturer and wholesale distributor since 1933. We have locations throughout the U.S. including our home office in Houston, Texas. With a variety of products, Seal Fast Inc services a wide range of industries including, Fuel Tanker, Farm Ranch and Dairy, Agriculture, Construction, Mining, Sandblasting, Marine, Oilfield, Bulk Hauling, etc.

Through hard work and dedication, Seal Fast Inc. strives to be your # 1 source in quality products, competitive prices and excellent service.

Thank you, our customers, for allowing Seal Fast to be your ONE STOP SHOP, # 1 CHOICE “TOTAL PACKAGE” Company.


*In the event Seal Fast Inc. is experiencing phone difficulties please call the following Emergency Lines: 

281-732-4368 & 281-728-2131


 ****Seal Fast will be closed Friday, March 30th, for Good Friday.  Everyone have a happy and safe Easter!



Edition 015 Catalog


 Important Announcement:

Mardis Industrial Hose & Supply

**This branch is closed as of 01/24/2018.  Please contact our sales team at 800-231-0734 for any of your purchasing needs.  We apologize for any inconvenience this causes.  Thank you for you understanding and continued support.

Porter Associates Inc.

1150 Boot Rd Unit 1

Downingtown, PA 19335

Contact:  Craig Porter

Phone: 610-518-2301


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