Lonza Manufacturing LLC
Case Number: 20-RC-379224
Date Filed: 01/16/2026
Status: Closed
Location: Vacaville, CA
Region Assigned: Region 20, San Francisco, California
Tally Issued Date:02/12/2026
Status:Closed
No. of Eligible Voters:35
Void Ballots:34
Total Ballots Counted:0
Challenged Ballots:0
Votes for Labor Union:19
Tally Type:Initial
Ballot Type:Single Labor Organization
Unit ID:A
Votes Against:15
Challenges Determinative:No
Reason Closed:Certific. of Representative
Labor Union:International Union of Operating Engineer, Stationary Engineers, Local 39
Voting Unit (Unit A):Included: All full-time and regular part-time Instrumentation – Calibration Technician, Master HVAC Technician, Master Instrumentation Technician, Master Maintenance Mechanic, Principal Maintenance Mechanic, Principal Instrumentation Technician, Senior Facilities Maintenance Technician, Senior Instrumentation Technician, Senior Maintenance Mechanic, and Senior Instrumentation – Calibration Technician, employed by the Employer at its facility located at 1000 New Horizons Way, Vacaville, California. Excluded: All other employees, guards, and supervisors as defined by the Act.
Union to Certify:International Union of Operating Engineer, Stationary Engineers, Local 39
Docket Activity
Date 
|
Document | Issued/Filed By |
|---|---|---|
| 02/25/2026 | Certification of Representative | NLRB - GC |
| 02/12/2026 | Tally of Ballots* | NLRB - GC |
| 02/02/2026 | RD Order* | NLRB - GC |
| 01/30/2026 | Notice of Election | NLRB - GC |
| 01/26/2026 | Stipulated Election Agreement* | NLRB - GC |
| 01/16/2026 | Signed RC Petition* | Petitioner |
The Docket Activity list does not reflect all actions in this case.
* This document may require redactions before it can be viewed. To obtain a copy, please file a request through our FOIA Branch.
Related Documents
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Allegations
Allegations data is not available.
Participants
| Participant | Address | Phone |
|---|---|---|
| Petitioner Legal Representative Harland, Bruce Weinberg, Roger & Rosenfeld |
1375 55th Street Emeryville, CA 94608 |
(510)337-1001 |
| Employer Legal Representative Islinger, David Jackson Lewis P.C. |
200 Connell Drive, Suite 2000 Berkeley Heights, NJ 07922 |
(908)795-5200 |
| Employer Legal Representative Solomon, David Jackson Lewis P.C. |
200 Connell Drive, Suite 2000 Berkeley Heights, NJ 07922 |
(908)795-5200 |
| Petitioner Union International Union of Operating Engineers, Stationary Engineers, Local 39, AFL-CIO |
San Francisco, CA 94103 |
(415)861-1135 |
| Employer Employer Lonza |
Vacaville, CA 95688 |
(510)825-6847 |
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