• The City of Troy is hosting American Red Cross Blood Drives,1-7 p.m. Nov.

11; 9 a.m.-3 p.

m. Nov. 15 and Nov.

18; 10 a.m.-4 p.

m. Nov. 22 and 1-7 p.

m. Nov. 25, at the Troy Community Center, 3179 Livernois, Troy.

Donation appointments can be scheduled by calling 313-300-9617 or visiting www.redcrossblood.org and entering zip code 48083.

Photo ID or Red Cross Donor Card will be required. Donors must be at least 17 years old, weigh more than 110 pounds, and be in good general health. • Annual Troy Chamber Nonprofit Management Conference is 8 a.

m.-2 p.m.

Nov. 13, at Walsh College (3838 Livernois Road, Troy. The event features keynote speaker Kelley Kuhn, president and CEO of the Michigan Nonprofit Association, and educational sessions.

Tickets are $50 for Oakland University students, $75 for Troy Chamber members and $85 for nonmembers, https://bit.ly/4gejJHM, 248-641-8151. • Annual Oakland County “Local Gems’ Sweepstakes is through Nov.

30. Participants are encouraged to submit original selfies taken at small businesses in Oakland County they consider to be local gems for a chance to win prizes. Participants will receive one sweepstakes entry for each selfie submitted.

Prizes to be awarded in December. For more information, www.oakgov.

com/community/community-development/shop-small-oakland-county. • Nominations are being accepted for the 2025 Michigan Celebrates Small Business Awards program, at https://michigancelebrates.secure-platform.

com/a. • Annual Trade Secrets.