Premade to Custom FRP


Fiberglass Reinforced Plastics (FRP) Products

The majority of our products are custom made conforming to the national and international standards

A Complete Line of FRP Tanks, FRP Valves, FRP Pipes, FRP Ducts, FRP Fittings and FRP Accessories

All of our Fiberglass Reinforced Plastics (FRP) products are fabricated by the contact molding process in accordance with the National Bureau of Standards Voluntary Product Standard PS-15-69. This type of construction maintains the highest corrosion resistance of any Fiberglass Reinforced Plastics (FRP) laminate.

Sierra Sales Management - Philadelphia and Surrounding Areas
Main Office:
PO Box 321
Perkasie, PA 18944
Voice Phone: 215/258-5601
FAX: 215 / 258-5606

LINKS - where people find experts
Chemicals - where people find experts
Corrosion Technologies, Inc. custom designs, manufactures and services corrosion-resistant products made of Fiberglass Reinforced Plastic (FRP)

Wynsum Internet


Potash Corp

The world's largest fertilizer enterprise

Agrisan Specialty Chemical

Specialty chemical & pharmaceutical is an Ontario based custom manufacturer of specialty chemicals and pharmaceuticals

CGB Enterprises

40 Years of diversifide growth on the nations inland waterways

Ferguson Enterprises, Inc 

Ferguson the largest plumbing wholesaler in North America and industry's 2nd largest distributor of pipes, valves and fittings, waterworks, and heating and cooling equipment in North America


DuPont puts science to work by creating sustainable solutions

JNB Laboratories

Industrial water treatment consulting & engineering services


Transforming communications for a sustaiable planet

Millipore Corporation

Biomanufacturing and Life Science Research


Airgas is the United States' largest distributor of industrial,
medical, and specialty gases

Northrop Grumman

A Leader in Global Security

Santos CMI Inc

Engineering, Procurement and Construction (EPC) company developing projects in Latin America and the Caribbean for the power generation, oil and gas, and industrial sectors

Spraying Systems Co.

Experts in Spray Technology

Terra Industries

A leading global marketer, producer and supplier of high-quality, low-cost fertilizer products and services


ClosetMaid®, a division of Emerson, is a leading manufacturer of home storage and organization products

San Fu Chemical Co. LTD

Supplying food additives and specialty chemicals focused on Citric Acid, Benzoic Acid, Glucose, Sodium Cyclamate, Paraben, PHBA, Cyclohexylamine, and PMI.


Amtrak strives for a greener passenger rail with practices and tactics for improved fuel and energy efficiency


Their mission is to be the world's premier consumer products company focused on convenient foods and beverages

Constellation Energy Group

A FORTUNE 500 energy company, headquartered in Baltimore, Md

Ace Tank

The leading petroluem tank provider in the Northwest & Alaska

Pool Doctor of Jeffersonville

Pool+Doctor is a local company based out of Jeffersonville, NY, in the beautiful Catskill Mountains specializing in all facets of commercial & residential pools

NYC Transit

Te MTA is the leading transit authority in the USA