REDWOOD VALLEY GRAVEL PRODUCTS INC

Support Activities for Forestry

Establishments in this category are primarly engaged in performing particular support activities related to timber production, wood technology, forestry economics and marketing, and forest protection. These establishments may provide support activities for forestry, such as estimating timber, forest firefighting, forest pest control, treating burned forests from the air for reforestation or on an emergency basis, and consulting on wood attributes and reforestation.

Construction Sand and Gravel Mining

This includes establishments primarily engaged in one or more of the following: (1) operating commercial grade (i.e., construction) sand and gravel pits; (2) dredging for commercial grade sand and gravel; and (3) washing, screening, or otherwise preparing commercial grade sand and gravel.

Sewage Treatment Facilities

Establishments in this category are primarly engaged in operating sewer systems or sewage treatment facilities that collect, treat, and dispose of waste.

Other Concrete Product Manufacturing

Establishments in this category are primarly engaged in manufacturing concrete products (except block, brick, and pipe).

Brick, Stone, and Related Construction Material Merchant Wholesalers

Establishments in this category are primarly engaged in the merchant wholesale distribution of stone, cement, lime, construction sand, and gravel; brick; asphalt and concrete mixtures; and/or concrete, stone, and structural clay products.

Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing

This includes establishments primarily engaged in renting or leasing heavy equipment without operators that may be used for construction, mining, or forestry, such as bulldozers, earthmoving equipment, well drilling machinery and equipment, or cranes.