Boart Longyear diamond drilling firm; Brainard-Kilman, a maker of civil engineering devices, such as well monitoring and test equipment; and ChemGrout a mfg of cement grouting equipment. Longyear acquired Slope Indicator Company, the nation's largest producer of geotechnical instruments, and Northern Air Supply in 1988, followed by the Campbell Pacific Division in 1989 and WTD Environmental Drilling in 1990. Then in 1994, North Star Drilling Company, specializing in sonic drilling was acquired. On January 2, 1995, Boart International and the Longyear Company officially merged into a single company and changed its name to Boart Longyear Limited. At this point the two companies
Rickinghall Inferior Rickinghall Inferior Rickinghall Inferior is a civil parish in the Mid Suffolk district of Suffolk, England. According to the 2011 census there were 233 males and 216 females in this civil parish, for a total population of 449. It includes the western part of the village of Rickinghall and is adjacent to the village and parish of Wattisfield. The road from the market town of Bury. St Edmunds to the city of Norwich passes through the village. The parishes name Rickinghall Inferior means " The nook of Rica's People ". The term " Inferior" means lower and refers to the