Every new Texas sales tax permit, every day2 industrial testing services businesses with recent Texas sales tax permits in Houston.
Updated August 19, 2026 · Most recent sales tax permit May 14, 2026

Every new Texas filing, every day
See how it worksThis page lists industrial testing services businesses receiving new sales tax permits in Houston, Texas. We currently track 2, sourced directly from the Texas Comptroller of Public Accounts and refreshed daily as new permits are issued.
Recent additions include Polaris Laboratories and MRT Laboratories. The most recent industrial testing services sales tax permit was on May 14, 2026.
Each entry shows the permit issue date and, where we can verify it, the owner name and contact details. If you sell to industrial testing services businesses in Houston, this is one of the freshest prospect lists in the market.
Polaris Laboratories is a fluid analysis laboratory with multiple locations. The Houston location, matching the LLC filing address, offers lubricant, coolant, and DEF testing. The company provides reliable, ISO-quality diagnostic analysis for maintenance and reliability insights.
MRT Laboratories LLC provides oil analysis and testing services for industrial oils, engine oils, coolants, fuels, and refrigerants. The lab is ISO-accredited and has been serving the Houston area since 2000, with same-day service available. The business is located at 305 Nebraska Street, South Houston, TX 77587.
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