CRYSTAL CHEM INC

In-Vitro Diagnostic Substance Manufacturing

This includes establishments primarily engaged in manufacturing in-vitro (i.e., not taken internally) diagnostic substances, such as chemical, biological, or radioactive substances. The substances are used for diagnostic tests that are performed in test tubes, petri dishes, machines, and other diagnostic test-type devices.

Analytical Laboratory Instrument Manufacturing

This includes establishments primarily engaged in manufacturing instruments and instrumentation systems for laboratory analysis of the chemical or physical composition or concentration of samples of solid, fluid, gaseous, or composite material.

Other Chemical and Allied Products Merchant Wholesalers

Establishments in this category are primarly engaged in the merchant wholesale distribution of chemicals and allied products (except agricultural and medicinal chemicals, paints and varnishes, fireworks, and plastics materials and basic forms and shapes).

Illustrative Examples:

Acids merchant wholesalers
Industrial chemicals merchant wholesalers
Automotive chemicals (except lubricating oils and greases) merchant wholesalers
Industrial salts merchant wholesalers
Dyestuffs merchant wholesalers
Rosins merchant wholesalers
Explosives (except ammunition and fireworks) merchant wholesalers
Turpentine merchant wholesalers