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Office Locations:
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301 Carlson Parkway, Suite 275
Minnetonka, MN 55305
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Business Services
Manufacturing & Industrial
Real Estate & Construction
Sports & Entertainment
Transportation & Distribution
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Tonkawa, Inc. is the family office of the Carlson family. Curtis Carlson founded Carlson, a global family of marketing, travel and hospitality companies. Tonkawa oversees the Curtis L. Carlson family's non-Carlson Cos. interests. The Carlson's also maintain Carlson Private Capital (see profile), a private firm for Private Equity activities, as well as Carlson Real Estate Company http://carlsonrealestate.biz/, which maintains a real estate portfolio. According to Forbes magazine the family is worth $2.2B. Curt Carlson (d. 1999) got his start selling Gold Bond trading stamps in the 1930s. His daughters Barbara Carlson Gage and Marilyn Carlson Nelson own Carlson Co., which operates over 1,370 hotels (Radisson, Country Inn & Suites) and Carlson Wagonlit Travel.
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Investment Firm Key
VC = Venture Capital
PE = Private Equity
A = Angel
I = Incubator
MB = Merchant Bank
VD = Venture Debt
FI = Family Investment Office
FOF = Fund of Funds
ED = Economic Development Office
TT = Technology Transfer Office
CVC = Corporate Venture Capital
SEC = Secondary Purchaser
HF = Hedge Fund/Mutual Fund
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| COMPANY STAGE | REVENUE |
| Venture Capital | |
Seed Stage
(includes "pre-seed," or
concept stage) | No Revenue |
| Early Stage | Minimal
Revenue |
Growth Stage
(also called Mid-stage) | $2M-$7M |
Expansion Stage
(also called Late-stage) | $7M and greater |
| Private Equity | |
| Lower Middle Market | $10M-$249M |
| Middle Market | $250M-$499M |
| Upper Middle Market | $500M-$1B |
| Large Cap | >$1B |
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