NLRB Docket Lists Open PRE-Heat Petition in Oostburg
OOSTBURG, Wis. — A representation petition involving PRE-Heat, Inc. was filed with the National Labor Relations Board on Oct. 20, 2026. The NLRB docket lists the case as open and shows no election date or outcome.
What the petition says
The docket identifies Sheet Metal Workers Local 18-SM as the petitioner and lists 20 employees. It describes a proposed unit of certain full-time and regular part-time employees engaged in installing, fabricating, producing, servicing or maintaining the employer’s products, subject to the exclusions stated in the petition.
The employee count is the figure listed in the current docket, not a confirmed final voting roster. A filed petition is not an election date or a result. The docket records a signed-petition activity dated Oct. 19 and gives Oct. 20 as the case filing date.
PRE-Heat’s Oostburg address
The Oostburg Area Chamber directory lists PRE-Heat, Inc. at 421 S. Business Park Drive, Oostburg, WI 53070. The case is listed as NLRB case 18-RC-397502.
