Due to its alluvial lands, the inhabitants of this area were entirely devoted to agricultural pursuits for about 150 years. Early in the 19th century the making of bricks, whips, and cigars became the principal occupations. Other firms engaged in the production of bicycles, paper products, boilers and radiators, textile machinery, abrasives, wood products and precision tools. The establishment of industry in the community changed its character from agricultural to a thriving industrial city during the latter part of the 19th century. Over the past 25 years, the city's economic and employment growth have outpaced the population growth which is indicative of excellent employment opportunities.
Manufacturing is the largest source of employment.
Second in importance is wholesale and retail trade. Some agriculture is still carried on in Westfield. Because of its developable land, the Westfield area is expected to be a focal point for much of the region's growth. They were engaged in the following categories. The Massachusetts Turnpike, Interstate 90, crosses Westfield just north of the central business district, providing excellent east-west access.