
Methodology
To view the top 10 brokerages in each industry manufacturing, professional/scientific/technical, health care, retail, finance/insurance, information, wholesale, transportation/warehousing, education and construction click here

Manufacturing
2) Marsh & McLennan Agency ($753,992,665 in premium)
3) Aon ($752,089,199 in premium)
To view the top 10 brokerages in manufacturing, click here, then select the manufacturing tab from the drop down menu.

Professional Scientific and Technical
2) Aon ($593,577,112 in premium)
3) Lockton ($557,719,081 in premium)
To view the top 10 brokerages in professional scientific and technical, click here, then select the professional scientific and technical tab from the drop down menu.

Health Care
2) Arthur J. Gallagher & Co. ($530,603,895 in premium)
3) Lockton ($434,788,212 in premium)
To view the top 10 brokerages in health care, click here, then select the health care tab from the drop down menu.

Retail
2) Pacific Resources ($312,604,927 in premium)
3) Arthur J. Gallagher & Co. ($216,339,496 in premium)
To view the top 10 brokerages in retail, click here, then select the retail tab from the drop down menu.

Finance and Insurance
2) Mercer ($484,225,245 in premium)
3) Arthur J. Gallagher & Co. ($310,095,758 in premium)
To view the top 10 brokerages in finance and insurance, click here, then select the finance and insurance tab from the drop down menu.

Information
2) Arthur J. Gallagher & Co. ($147,373,238 in premium)
3) Willis ($123,133,759 in premium)
To view the top 10 brokerages in information, click here, then select the information tab from the drop down menu.

Wholesalers
2) Marsh & McLennan Agency ($160,007,327 in premium)
3) Arthur J. Gallagher & Co. ($159,001,118 in premium)
To view the top 10 brokerages in wholesales, click here, then select the wholesales tab from the drop down menu.

Transportation and Warehousing
2) Aon ($102,858,234 in premium)
3) Willis ($101,616,363 in premium)
To view the top 10 brokerages in transportation and warehousing, click here, then select the transportation and warehousing tab from the drop down menu.

Educational Services
2) Willis ($201,608,882 in premium)
3) Arthur J. Gallagher & Co. ($165,794,449 in premium)
To view the top 10 brokerages in educational services, click here, then select the educational services tab from the drop down menu.

Construction
2) Lockton ($116,976,468 in premium)
3) Willis ($115,714,676 in premium)
To view the top 10 brokerages in construction, click here, then select the construction tab from the drop down menu.








