Allen Instruments & Supplies is the Authorized Trimble Distributor and Service Center in Southern California and Arizona specializing in Global Positioning GPS survey instruments and provides along with products for GIS and Machine Control applications. Allen Instruments is YOUR RIGHT CHOICE when it comes to purchasing survey instruments, provides, GIS and Machine Control products.

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Nic Willess

May 25, 2021

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Excellent customer service. all the survey supplies i need, in stock.

N.

Jan 27, 2018

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Always the best service, and great place to get land surveying equipment

Chris Shearer

Dec 20, 2017

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Everything you need and more. Staff is very knowledgeable, and helpful.

Henry Golding

Jul 21, 2017

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It's the place to shop for surveying/engineering supplies. Also they calibrate all your precision surveying equipment, and do repairs.

Robert Bray

Jun 11, 2017

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Good friendly service. Carry quality products and offer service repair work. Responsive to inquiries and return calls. Store well organized and clean.