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Form 3 - Initial statement of beneficial ownership of securities:
SEC Accession No. 0000899243-21-015574
Filing Date
2021-04-12
Accepted
2021-04-12 21:56:51
Documents
1
Period of Report
2021-04-01

Document Format Files

Seq Description Document Type Size
1 FORM 3 SUBMISSION doc3.html 3  
1 FORM 3 SUBMISSION doc3.xml 3 21111
  Complete submission text file 0000899243-21-015574.txt   26555
Mailing Address 345 PARK AVENUE NEW YORK NY 10154
Business Address 345 PARK AVENUE NEW YORK NY 10154 (212) 583-5000
Blackstone Holdings III L.P. (Reporting) CIK: 0001404073 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38186 | Film No.: 21821886

Mailing Address C/O THE BLACKSTONE GROUP 345 PARK AVENUE NEW YORK NY 10154
Business Address C/O THE BLACKSTONE GROUP 345 PARK AVENUE NEW YORK NY 10154 2125835000
Blackstone Holdings I/II GP L.L.C. (Reporting) CIK: 0001464695 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38186 | Film No.: 21821884

Mailing Address C/O THE BLACKSTONE GROUP 345 PARK AVENUE NEW YORK NY 10154
Business Address C/O THE BLACKSTONE GROUP 345 PARK AVENUE NEW YORK NY 10154 212-583-5000
Blackstone Holdings II L.P. (Reporting) CIK: 0001484870 (see all company filings)

Type: 3 | Act: 34 | File No.: 001-38186 | Film No.: 21821885

Mailing Address 7701 INDEPENDENCE AVENUE KANSAS CITY MO 64125
Business Address 7701 INDEPENDENCE AVENUE KANSAS CITY MO 64125 (816) 241-4888
Custom Truck One Source, Inc. (Issuer) CIK: 0001709682 (see all company filings)

IRS No.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 7359 Services-Equipment Rental & Leasing, NEC

Mailing Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154
Business Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154 212-583-5000
Blackstone Energy Family Investment Partnership SMD L.P. (Reporting) CIK: 0001851447 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38186 | Film No.: 21821882

Mailing Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154
Business Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154 212-583-5000
Blackstone Energy Partners NQ L.P. (Reporting) CIK: 0001855931 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38186 | Film No.: 21821883

Mailing Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154
Business Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154 212-583-5000
Blackstone Energy Family Investment Partnership NQ ESC L.P. (Reporting) CIK: 0001855942 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38186 | Film No.: 21821881

Mailing Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154
Business Address C/O THE BLACKSTONE GROUP INC. 345 PARK AVENUE NEW YORK NY 10154 212-583-5000
Blackstone Capital Partners VI-NQ L.P. (Reporting) CIK: 0001855944 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 3 | Act: 34 | File No.: 001-38186 | Film No.: 21821880