10.Segment Information:

We pursue our business activities primarily through subsidiaries whose operations are organized into producing units and are supported by our insurance carrier subsidiaries. Our non-carrier insurance activities are organized by operating units into the following reportable segments:

Specialty Commercial Segment. Our Specialty Commercial Segment includes the excess and surplus lines commercial property/casualty insurance products and services handled by our Contract Binding operating unit and the general aviation, satellite launch, commercial umbrella and primary/excess liability, medical and financial professional liability and primary/excess commercial property insurance products and services handled by our Specialty Commercial operating unit. Certain specialty programs are also managed by our Specialty Commercial operating unit. Our Contract Binding operating unit is comprised of our HSU, PAAC and TGASRI subsidiaries. Our Specialty Commercial operating unit is comprised of our Aerospace Insurance Managers, ASRI, ACMG, HXS and HDS subsidiaries.

Standard Commercial Segment. The Standard Commercial Segment includes the standard lines commercial property/casualty and occupational accident insurance products and services handled by our Standard Commercial P&C operating unit and the workers compensation insurance products handled by our Workers Compensation operating unit. Effective June 1, 2016, we ceased marketing new or renewal occupational accident policies. Effective July 1, 2015, the Workers Compensation operating unit ceased retaining any risk on new or renewal policies. Our Standard Commercial P&C operating unit is comprised of our American Hallmark Insurance Services and ECM subsidiaries. Our Workers Compensation operating unit is comprised of our TBIC Holdings, TBIC and TBICRM subsidiaries.

Personal Segment. Our Personal Segment includes the non-standard personal automobile and renters insurance products and services handled by our Specialty Personal Lines operating unit. Our Specialty Personal Lines operating unit is comprised of AHGA and HCS.

The retained premium produced by these reportable segments is supported by our AHIC, HSIC, HIC, HNIC and TBIC insurance company subsidiaries. In addition, control and management of HCM is maintained through our wholly owned subsidiary, CYR Insurance Management Company (“CYR”). CYR has as its primary asset a management agreement with HCM which provides for CYR to have management and control of HCM. HCM is used to front certain lines of business in our Specialty Commercial and Personal Segments in Texas. HCM does not retain any business.

AHIC, HIC, HSIC and HNIC have entered into a pooling arrangement, pursuant to which AHIC retains 34% of the net premiums written by any of them, HIC retains 32% of the net premiums written by any of them, HSIC retains 24% of the net premiums written by any of them and HNIC retains 10% of the net premiums written by any of them. Neither HCM nor TBIC is a party to the intercompany pooling arrangement.

The following is additional business segment information for the twelve months ended December 31, 2018 and 2017 (in thousands):


	2018		2017
Revenues
Specialty Commercial Segment	$	280,283	$	277,946
Standard Commercial Segment		76,548		70,302
Personal Segment		38,623		40,462
Corporate		(16,186)		(3,189)
Consolidated	$	379,268	$	385,521

Depreciation and Amortization Expense
Specialty Commercial Segment	$	2,986	$	2,796
Standard Commercial Segment		390		294
Personal Segment		1,312		1,258
Corporate		453		367
Consolidated	$	5,141	$	4,715

Interest Expense
Specialty Commercial Segment	$	—	$	—
Standard Commercial Segment		—		—
Personal Segment		—		—
Corporate		4,545		4,512
Consolidated	$	4,545	$	4,512

Tax Expense (Benefit)
Specialty Commercial Segment	$	5,521	$	(4,382)
Standard Commercial Segment		2,511		3,849
Personal Segment		587		(676)
Corporate		(6,163)		(3,810)
Consolidated	$	2,456	$	(5,019)

Pre-tax income (loss)
Specialty Commercial Segment	$	28,780	$	2,012
Standard Commercial Segment		13,090		2,440
Personal Segment		3,061		(3,058)
Corporate		(32,128)		(17,966)
Consolidated	$	12,803	$	(16,572)

The following is additional business segment information as of the following dates (in thousands):


	December 31
	2018		2017
Assets:
Specialty Commercial Segment	$	858,262	$	810,133
Standard Commercial Segment		158,881		162,152
Personal Segment		226,431		232,441
Corporate		21,320		26,400
Consolidated	$	1,264,894	$	1,231,126