William Robison has merged his business with Robison Insurance Inc., a life, health and disability insurance firm, according to a news release.

William Robinson, who specializes in life insurance and disability income planning for individuals and small business owners, will continue his affiliation with Mass Mutual and other insurance companies, officials said in the release.

William Robinson joins Marvin Robison, who has been serving Wilmington and the state since 1990, officials said.