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Don Smith & Associates Inc. dba Entech Supply represents manufacturers and distributors of safety, environmental and gas detection equipment.

We are a member of the National Fire Protection Association (NFPA) and Manufacturer's Agents National Association (MANA).

Our customers include government agencies, distributors, dealers, contractors and businesses. 

Most of the products we wholesale are in stock, and orders typically ship from California within 2 business days.

There is no freight charge for shipping stock items via UPS ground to customers within the contiguous U.S.  If sales tax is not collected on an order, you may be required to remit use tax directly to your state for items that are subject to your local sales tax.

We appreciate your interest, and look forward to being of service.

Customer Service/Order Desk
Phone: 1-800-221-4785
Fax: 1-800-250-7572
Mailing Address:
P.O. Box 1035
Portola, CA  96122
M-Th, 7:00 AM - 4:00 PM
Pacific Standard Time (PST)