/Investor DB

Timberline Holdings — Full Portfolio

7 tracked investments · listed companies and verified rows first

Birdstopbirdstop.ioin𝕏Aug 2023

Birdstop manufactures drone technology for government and industrial clients.

AI & Machine LearningDefense TechHardwareIoTRoboticsSan Francisco, US

Keith Miao(Founder and CEO)Bill Liu(Founder)

BoardAndrea Hippeau(Director)in

Co-investors640 OxfordAlumni VenturesAnorak VenturesBascom VenturesCorrelation VenturesData Tech+6 more

Culver'sculvers.com𝕏

Culver's is a fast-food restaurant franchise known for its cooked-to-order ButterBurgers and small-batch Fresh Frozen Custard, serving guests across more than 900 locations in the United States.

ConsumerFoodTechSauk City, US

Craig Culver(Co-founder)inLea Culver(Co-founder)George Culver(Co-founder)Ruth Culver(Co-founder)in

Co-investorsRoark

Gasfieldsvcgasfieldsvc.com

Gas Field Services provides site preparation, construction, and support services to the oil and gas industry across the Appalachian region.

Construction TechEnergy

Smart Altosmartalto.cominSeedDefunct

Smart Alto provides AI-powered lead generation and marketing automation software for real estate professionals, combining property data, owner/renter databases, and multi-channel outreach tools to identify and engage potential home sellers.

AI & Machine LearningMarketing TechPropTechBirmingham, US

Hassan Riggs(CEO)inWayne Anderson(COO)inKurt Edwards

Co-investorsY CombinatorInnovation Depot

Tennibottennibot.comin𝕏Jan 2022

Tennibot operates in racquet sports and robotics, though specific details about the company's products, services, or market focus are not provided on this page.

AI & Machine LearningHardwareIoTRoboticsSports TechAuburn, US

Haitham Eletrabi(Founder)inLincoln Wang(Founder)in

Co-investorsBantam GroupSymbiotic VenturesTechstarsUntapped CapitalUnderdog Labs

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

Gas Field ServicesSpray Equipment & Service Center

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.