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Phone: (314) 531-8886

St. Louis Scale – ISO/IEC 17025:2017 Accredited Lab

St. Louis Scale is a provider of ISO 17025 accredited calibration services and repairs. We service all major brands. In addition, we are proud to offer a wide range of industrial scales and laboratory balances for sale and rent. St. Louis Scale is an authorized distributor for Avery Weigh-Tronix, B-Tek, Cardinal-Detecto, GSE, Invacare, Ohaus, Mid-America Scales, Rice Lake Weighing Systems, Sartorius, Thurman Scale, and Tufner Weighing Systems. Our new scales come from some of the leading manufacturers in the industry, and our staff understands what scales will work for your needs. We strive to provide our customers with the highest quality goods and services, on time, by committing to quality and excellence throughout every level of our operation. You can see many of our scales on our products page. This is a small representation of the scales we carry, or view our categories of scales below.

Customer Testimonials

Our Products


Floor Scales

  $1,295.00 w/ Digital Indicator One Year Warranty NTEP Approved, Indoor/Outdoor, Legal for Trade, Made in USA.


Cannabis Scales

St. Louis Scale offers a wide range of scales that are ideal for weighing cannabis. Many different brands and sizes available and suited for retail, cultivation and everything in between. Installation available and all scales are provided with necessary certification/documentation.


Axle Pads

We offer axle pads in multiple standard sizes as well as custom sizes. Available for rent or purchase. 


Truck Scales

We are proud to offer a complete and versatile lineup of both above ground and pit scales for any application. St. Louis Scale is an authorized dealer of  B-Tek, Cardinal, Mid-America, and Thurman truck scales.



St. Louis Scale can provide for all of your indicator needs from a basic digital readout to complete controllers and automated kiosk systems. 


Tank/Hopper Assemblies

We offer tank/hopper assemblies for various applications.


Bench Scales

Bench Scales available & in stock. Call today for a quote!



Great for maximizing process efficiency 


Lab Balances

St. Louis Scale provides a full offering of laboratory scales & balances from Ohaus, Mettler Toledo, A&D, Rice Lake, and Sartorius


Counting Scales

Available for purchase or rental

Truck Scales Leasing Options

We have truck scales leasing options available for when you’re looking for a cost-effective way to purchase your weighing equipment. The first step is to go check out all our truck scales (including our portable truck scales) and find which option fits your needs. Then give us a call at (314) 531-8886 to discuss the leasing options available. We’ll be happy to answer any questions you have.

Are You Looking for Truck Scale Rental?

St. Louis Scale also offers rental scales as a great option to help you save money. All of our parts and service are provided by factory-trained technicians, so you know they are in good repair. We have many different options for truck scales rental needs. Below is a list of scales which are available to rent. For any questions, call (314) 531-8886.

  • Regular and High Resolution Counting Scales
  • Bench Scales
  • Portable Axle Scales
  • Axle Pads
  • Load Test / Test Weights
  • Crane Scales
  • Floor Scales

Our Scale Repair Maintenance Program

Over the years, we’ve found the best way to maintain accuracy and compliance for all your weighing equipment is to schedule regular maintenance. We offer a preventative maintenance program which is designed to maintain the accuracy and extend the life of your weighing equipment for years to come.

Our maintenance program includes all of the regular maintenance procedures such as regular lubrications, pit cleaning for truck scales, calibrations and repair, and even entire overhauls of the system, if needed. We repair all the scales we sell including portable axle scales, truck scales, and other weighing equipment. We also maintain industry leading brands such as Avery Weigh-Tronix, Fairbanks, Mid-America Scales, Rice Lake Weighing Systems, Thurman and many others. All of our maintenance is done in-house and on-time. Please contact us for all your scale repair needs. Our services include set-up and calibration with Original Certificate of Calibration.